Rock Identifier

Category

Synthetic Glass (Often Categorized As A Simulated Mineral)

Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic Glass (Often Categorized As A Simulated Mineral) in the encyclopedia

Opalite

Sideromelane

Pele's Tears

Porphyritic Obsidian

Porphyritic Obsidian

Anatase

Red Obsidian

Euxenite

Gray Obsidian

Gold Sheen Obsidian

Pink Lady Obsidian

Zircon

Aventurine

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone Pebble (Arenite (SiO2 complex)) — sedimentary

Sandstone Pebble

Arenite (SiO2 complex)

Jasper (likely Brecciated or Multi-colored) (Jasper (SiO2)) — sedimentary

Jasper (likely Brecciated or Multi-colored)

Jasper (SiO2)

Quartz (Drusy/Crystalline) (Silicon Dioxide (SiO2)) — mineral

Quartz (Drusy/Crystalline)

Silicon Dioxide (SiO2)

Quartz (Clear Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Quartz Vein / Quartz Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Vein / Quartz Matrix

Silicon Dioxide (SiO2)

Slag Glass (Silicon dioxide with impurities) — mineral

Slag Glass

Silicon dioxide with impurities

Fulgurite (Fulgurite (Lechatelierite)) — metamorphic

Fulgurite

Fulgurite (Lechatelierite)

Tumbled quartz crystal (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled quartz crystal

Quartz (silicon dioxide, SiO₂)

Pumice or Tufa/Travertine (Pumice (if igneous) or Calcareous Tufa (if sedimentary)) — igneous/sedimentary

Pumice or Tufa/Travertine

Pumice (if igneous) or Calcareous Tufa (if sedimentary)

igneous/sedimentary

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation) (Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)) — mineral

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)

Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)

Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Wood Beads (Palmwood/Ebony) (Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.) — Organic Gem Material (Botanical)

Wood Beads (Palmwood/Ebony)

Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.

Organic Gem Material (Botanical)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(F,OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Quartz pebble (Quartz (Silicon dioxide, SiO2)) — mineral

Quartz pebble

Quartz (Silicon dioxide, SiO2)

Colorless faceted gemstone (most likely synthetic cubic zirconia) (Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond) — gemstone

Colorless faceted gemstone (most likely synthetic cubic zirconia)

Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond

Rainbow Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Tumbled Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Tumbled Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia) (Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy) — Mineral (synthetic) and Metal (precious/base)

Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)

Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy

Mineral (synthetic) and Metal (precious/base)

Clear faceted quartz-like gemstone (Probably rock crystal quartz (SiO₂), though the image may show synthetic glass or cubic zirconia) — gemstone

Clear faceted quartz-like gemstone

Probably rock crystal quartz (SiO₂), though the image may show synthetic glass or cubic zirconia

Obsidian (Obsidian (Volcanic glass, primarily SiO2)) — igneous

Obsidian

Obsidian (Volcanic glass, primarily SiO2)

Uncertain blue-white mineral fragment (Possibly calcite or quartz; identification is limited because the specimen is tiny and partly translucent) — mineral

Uncertain blue-white mineral fragment

Possibly calcite or quartz; identification is limited because the specimen is tiny and partly translucent

Quartz crystals on matrix (Silicon dioxide (SiO2)) — mineral

Quartz crystals on matrix

Silicon dioxide (SiO2)

Blue Slag Glass (Amorphous Silica (Industrial byproduct)) — Antropogenic (Man-made glass byproduct)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Antropogenic (Man-made glass byproduct)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Citrine (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine

Citrine (Silicon Dioxide, SiO2)

Green Quartz / Chrysoprase / Sea Glass (Silicon Dioxide (SiO2)) — mineral

Green Quartz / Chrysoprase / Sea Glass

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Goldstone (Brown/Gold variety) (Aventurine Glass (SiO2 with Copper inclusions)) — Synthetic/Man-made glass (often mistaken for a mineral)

Goldstone (Brown/Gold variety)

Aventurine Glass (SiO2 with Copper inclusions)

Synthetic/Man-made glass (often mistaken for a mineral)

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Bicolor Quartz Tumble (Silicon Dioxide (SiO2)) — mineral

Bicolor Quartz Tumble

Silicon Dioxide (SiO2)

Quartz (Citrine or Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Iron-Stained)

Silicon Dioxide (SiO2)

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Green glassy slag (often sold as “sea glass” or “green obsidian”) (Industrial vitreous slag; primarily amorphous silicate glass, composition variable) — mineral

Green glassy slag (often sold as “sea glass” or “green obsidian”)

Industrial vitreous slag; primarily amorphous silicate glass, composition variable

Quartz (Clear or Smoky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear or Smoky)

Silicon Dioxide (SiO2)

Blue Slag Glass (Man-made Silicon Dioxide (Amorphous)) — Anthropogenic (Man-made)

Blue Slag Glass

Man-made Silicon Dioxide (Amorphous)

Anthropogenic (Man-made)

Quartz and Quartzite (Silicon Dioxide (SiO2)) — mineral

Quartz and Quartzite

Silicon Dioxide (SiO2)